Update 4.8.1 to 4.8.3.

My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).

From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.

Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35

1 files changed, 121 insertions, 0 deletions

diff --git a/gcc-4.8.3/gcc/rtl-error.c b/gcc-4.8.3/gcc/rtl-error.c
new file mode 100644
index 000000000..c3b750ebb
--- /dev/null
+++ b/gcc-4.8.3/gcc/rtl-error.c
@@ -0,0 +1,121 @@
+/* RTL specific diagnostic subroutines for GCC
+   Copyright (C) 2001-2013 Free Software Foundation, Inc.
+   Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "rtl-error.h"
+#include "insn-attr.h"
+#include "insn-config.h"
+#include "input.h"
+#include "intl.h"
+#include "diagnostic.h"
+
+static location_t location_for_asm (const_rtx);
+static void diagnostic_for_asm (const_rtx, const char *, va_list *, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);
+
+/* Figure the location of the given INSN.  */
+static location_t
+location_for_asm (const_rtx insn)
+{
+  rtx body = PATTERN (insn);
+  rtx asmop;
+  location_t loc;
+
+  /* Find the (or one of the) ASM_OPERANDS in the insn.  */
+  if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
+    asmop = SET_SRC (body);
+  else if (GET_CODE (body) == ASM_OPERANDS)
+    asmop = body;
+  else if (GET_CODE (body) == PARALLEL
+	   && GET_CODE (XVECEXP (body, 0, 0)) == SET)
+    asmop = SET_SRC (XVECEXP (body, 0, 0));
+  else if (GET_CODE (body) == PARALLEL
+	   && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
+    asmop = XVECEXP (body, 0, 0);
+  else
+    asmop = NULL;
+
+  if (asmop)
+    loc = ASM_OPERANDS_SOURCE_LOCATION (asmop);
+  else
+    loc = input_location;
+  return loc;
+}
+
+/* Report a diagnostic MESSAGE (an error or a WARNING) at the line number
+   of the insn INSN.  This is used only when INSN is an `asm' with operands,
+   and each ASM_OPERANDS records its own source file and line.  */
+static void
+diagnostic_for_asm (const_rtx insn, const char *msg, va_list *args_ptr,
+		    diagnostic_t kind)
+{
+  diagnostic_info diagnostic;
+
+  diagnostic_set_info (&diagnostic, msg, args_ptr,
+		       location_for_asm (insn), kind);
+  report_diagnostic (&diagnostic);
+}
+
+void
+error_for_asm (const_rtx insn, const char *gmsgid, ...)
+{
+  va_list ap;
+
+  va_start (ap, gmsgid);
+  diagnostic_for_asm (insn, gmsgid, &ap, DK_ERROR);
+  va_end (ap);
+}
+
+void
+warning_for_asm (const_rtx insn, const char *gmsgid, ...)
+{
+  va_list ap;
+
+  va_start (ap, gmsgid);
+  diagnostic_for_asm (insn, gmsgid, &ap, DK_WARNING);
+  va_end (ap);
+}
+
+void
+_fatal_insn (const char *msgid, const_rtx insn, const char *file, int line,
+	     const char *function)
+{
+  error ("%s", _(msgid));
+
+  /* The above incremented error_count, but isn't an error that we want to
+     count, so reset it here.  */
+  errorcount--;
+
+  debug_rtx (insn);
+  fancy_abort (file, line, function);
+}
+
+void
+_fatal_insn_not_found (const_rtx insn, const char *file, int line,
+		       const char *function)
+{
+  if (INSN_CODE (insn) < 0)
+    _fatal_insn ("unrecognizable insn:", insn, file, line, function);
+  else
+    _fatal_insn ("insn does not satisfy its constraints:",
+		insn, file, line, function);
+}